He did not say why those particular news organizations were excluded, a decision which drew strong rebukes and may only heighten tensions between the press corps and the administration.

Reuters was included in the session, along with about 10 other news organizations, including Bloomberg and CBS.

President Donald Trump has regularly attacked the media and at a gathering of conservative activists on Friday he criticized news organizations that he said provide "fake news ", calling them the "enemy" of the American people.

Spicer said his team decided to have a gaggle in his office on Friday instead of a full briefing in the larger White Housebriefing room and argued that “we don´t need to do everything on camera every day.”

Reporters at the Associated Press and Time magazine walked out of the briefing when hearing that others had been barred from the session.

Off-camera gaggles are not unusual. The White House often invites handpicked outlets in for briefings, typically for specific topics.

But briefings and gaggles in the White House are usually open to all outlets and they are free to ask anything.

Dean Baquet, executive editor of The New York Times, said in a statement, "Nothing like this has ever happened at the White House in our long history of covering multiple administrations of different parties."

"We strongly protest the exclusion of The New York Times and the other news organizations. Free media access to a transparent government is obviously of crucial national interest."

The White House Correspondents Association, or WHCA, also protested. Jeff Mason, president of the association and a Reuters reporter said, "The WHCA board is protesting strongly against how today´s gaggle is being handled by the White House ."

Trump´s team banned a few news organizations during the election campaign last year, including The Washington Post and BuzzFeed, from covering his campaign rallies for a period of time to protest their coverage.

CNN posted a Twitter message on Friday afternoon saying, "This is an unacceptable development by the TrumpWhite House . Apparently this is how they retaliate when you report facts they don’t like. We’ll keep reporting regardless.”

Ben Smith, editor-in-chief of BuzzFeed News , said in a statement, "While we strongly object to the White House´s apparent attempt to punish newsoutlets whose coverage it does not like, we won´t let these latest antics distract us from continuing to cover this administration fairly and aggressively."

On Friday, Spicer said the White House plans to fight against what it says is unfair coverage. "I think we’re going to aggressively push back," he said.

"We’re just not going to sit back and let false narratives, false stories, inaccurate facts get out there."